Lazarus and the tale of three RATs

2022-09-08 Cisco Talos

http://blog.talosintelligence.com/2022/09/lazarus-three-rats.html

Thumbnail for Lazarus and the tale of three RATs

Cisco Talos observed Lazarus Group activity from February to July 2022 against energy providers in the United States, Canada, Japan and other regions, assessing the campaign as North Korean state-sponsored espionage aimed at long-term access and data theft. Initial access came through exploitation of exposed VMware Horizon servers, including Log4Shell, followed by reverse shells, reconnaissance, Windows Defender impairment, toolkit downloads and lateral movement. The intrusions deployed Lazarus-linked implants VSingle and YamaBot, as well as a newly identified MagicRAT implant, with VSingle used for further reconnaissance, exfiltration and manual backdooring. Talos noted overlaps with earlier AhnLab, CISA, JPCERT/CC and Kaspersky reporting, including shared infrastructure such as 84[.]38.133[.]145 and similar VMware exploitation patterns, underscoring Lazarus’ continued focus on critical infrastructure espionage.

Indicators of Compromise

Type Value First Seen Last Seen
HASH dda53eee2c5cb0abdbf5242f5e82f4d… 2022-09-08 2024-07-25
HASH c2904dc8bbb569536c742fca0c51a76… 2022-09-08 2024-07-25
HASH 8ce219552e235dcaf1c694be122d633… 2022-09-08 2024-07-25
HASH 90fb0cd574155fd8667d20f97ac464e… 2022-09-08 2024-07-25
IPv4 146.4.21.94 2022-09-08 2023-09-22
IPv4 109.248.150.13 2022-09-08 2023-09-22
IPv4 40.121.90.194 2022-09-08 2023-09-12
HASH 586f30907c3849c363145bfdcdabe3e… 2022-04-27 2023-02-09
HASH 2963a90eb9e499258a67d8231a31240… 2022-09-08 2022-09-08
HASH 912018ab3c6b16b39ee84f17745ff0c… 2022-09-08 2022-09-08
HASH 05732e84de58a3cc142535431b3aa04… 2022-09-08 2022-09-08
HASH caf6739d50366e18c855e2206a86f64… 2022-09-08 2022-09-08
HASH 16f413862efda3aba631d8a7ae2bfff… 2022-09-08 2022-09-08
HASH 6fbb771cd168b5d076525805d010ae0… 2022-09-08 2022-09-08
DOMAIN mudeungsan.or.kr 2022-09-08 2022-09-08
IPv4 54.68.42.4 2022-09-08 2022-09-08
IPv4 104.155.149.103 2022-09-08 2022-09-08
IPv4 185.29.8.162 2022-09-08 2022-09-08
IPv4 192.186.183.133 2022-09-08 2022-09-08
IPv4 46.183.221.109 2022-09-08 2022-09-08
IPv4 213.180.180.154 2022-06-30 2022-09-08
IPv4 84.38.133.145 2022-05-12 2022-09-08
IPv4 155.94.210.11 2022-04-28 2022-09-08
HASH 5a73fdd0c4d0deea80fa13121503b47… 2022-04-27 2022-09-08
DOMAIN semiconductboard.com 2022-04-27 2022-09-08
DOMAIN cyancow.com 2022-04-27 2022-09-08
DOMAIN tecnojournals.com 2022-04-27 2022-09-08
HASH c92c158d7c37fea795114fa6491fe5f… 2021-04-27 2022-09-08

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